Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem é o treinador do Northamptonshire Steelbacks?
 ###Tabelas: CREATE TABLE literature (literature_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Deceased Spouse VARCHAR, Cause of Death VARCHAR, Date of Spouses Death VARCHAR, Length of Marriage VARCHAR, Children Together VARCHAR, Current Marital Status VARCHAR) CREATE TABLE states_that_have_voted_on_amendments (states_that_have_voted_on_amendments_id AUTO_INCREMENT PRIMARY KEY, State VARCHAR, Date VARCHAR, Yes vote VARCHAR, No vote VARCHAR, Vote outcome VARCHAR) CREATE TABLE seasonal_timeslots_ratings (seasonal_timeslots_ratings_id AUTO_INCREMENT PRIMARY KEY, Season INT, TV season VARCHAR, Regular Timeslot (EDT) VARCHAR, Episode count INT, Season premiere VARCHAR, Season finale VARCHAR, Rank VARCHAR, Rating VARCHAR) CREATE TABLE teams (teams_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Location VARCHAR, County VARCHAR, Division VARCHAR, Home ground VARCHAR, Coach VARCHAR, Captain VARCHAR) CREATE TABLE 2000_version (2000_version_id AUTO_INCREMENT PRIMARY KEY, Cast VARCHAR, 1951 ( BBC ) VARCHAR, 1957 (BBC) VARCHAR, 1968 (BBC) VARCHAR, 1970 (film) VARCHAR, 2000 ( Carlton Television ) VARCHAR)  
SELECT Coach FROM teams WHERE Team = northamptonshire steelbacks